Carbohydrates, Proteins and Lipids Quiz

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What is a peptide bond?

A. Bond that holds two amino acids together.

B. A bond that holds hydrogen and oxygen molecules together.

C. A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.

D. A bond that is formed by the sharing of electrons.

How do the number of H atoms compare to the number of O atoms in a carbohydrate?

A. There are TWICE as many H

B. They are the same amount

C. There are THREE times as many H

D. There are TWICE as many O

What atoms make up all carbohydrates?

A. Carbon, Sulfur, Hydrogen

B. Carbon, Oxygen, Phosphorus

C. Carbon, Oxygen, Nitrogen

D. Carbon, Oxygen, Hydrogen

Which of the following is NOT a function of proteins

A. Assist in blood clotting

B. Fight infections and diseases

C. Assist in the processing of glucose

D. None of the above

What is an example of a protein?

A. Strawberries

B. Bread

C. Pasta

D. Steak

What is the monomer of proteins?

A. amino acids

B. polypeptides

C. nucleotides

D. monosaccharides

Lipids are made of…

A. CHO

B. CHON

C. CHONP

D. CHONS

What is a protein:

A. A polymer composed of many sugars.

B. A polymer composed of many amino acids.

C. A polymer composed of fatty acids.

D. A polymer composed of nucleotides.

Some carbohydrate foods are ________

A. fruits

B. grains

C. vegetables

D. all the above

The process of adding water in order to break bonds within a polymer….

A. Dehydration Synthesis

B. Hydrolysis

Which macromolecule is this?

A. carbohydrate

B. lipid

C. protein

D. nucleic acid

How many different amino acids are there?

A. 15

B. 20

C. 25

D. 30

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